Capacity 100 oz. (3L) – Cargo 1200 cubic inches (19.6L)Part number G5_1200_BK2 – Color Ballistic Black1680 Ballistic Nylon. The award-winning pressurized GEIGERRIG Hydration System allows you to spray water to hydrate, share, clean, cool, etc.--anything you need. The pressurization enables convenient in-line plug-and-play filtration for on-the-go access to natural fresh water sources. When you are done, simply flip your Hydration Engine inside out and place it on the top shelf of the dishwasher for easy cleaning and drying. The RIG 1200 can handle anything from a day hike to a long day at school. Its 1200 cubic inches of pack space, compression straps, side mesh pockets, and front bungee system will keep your gear where you need it, when you need it.